San Diego (/ˌsæn diˈeɪɡoʊ/ SAN dee-AY-goh, Spanish: [san ˈdjeɣo]; Spanish for 'Saint Didacus') is a city on the Pacific Ocean coast of Southern California located immediately adjacent to the Mexico–United States border. With a 2020 population of 1,386,932, it is the eighth most populous city in the United States and the seat of San Diego County, the fifth most populous county in the United States, with 3,338,330 estimated residents as of 2019. The city is known for its mild year-round climate, natural deep-water harbor, extensive beaches and parks, long association with the United States Navy, and recent emergence as a healthcare and biotechnology development center. San Diego is the second largest city in the state of California, after Los Angeles.
Jiang'an County, which belongs to Yibin City, Sichuan Province, is located on the southern edge of Sichuan, along the Yangtze River, east of Yibin, and at the turn of the three cities (Yibin, Luzhou and Zigong). The ground spans latitude 28 °22 "20"-28 °56 "45" north and longitude 104 °57 °40 "- 105 °14" 33 "east. In 2010, Jiang'an County has jurisdiction over 14 towns. The county covers an area of 912sq km, with a total population of 555995. The people's Government of the county is stationed on Zhudu Avenue, Jiangan Town. Jiang'an County is rich in rice, wheat, sweet potato, sorghum, rape, beans and other crops, is the national summer orange base county, commodity grain base county, sericulture production county, lean pig base county. Jiang'an County is known as "the ancient capital of China's Orange Sea River and Bamboo Sea" with a long history and profound culture. Jiang'an County has Xijiashan Classical Manor and National Academy of Drama.